html, body {
    margin: 0;
    min-height: 100%;
    line-height: 1.42857143;
    color: #58666e;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB,
    Microsoft YaHei, Arial, sans-serif;
    background: #f1f1f1;
    height: 100%;
}
.full{
    height: 100%;
    overflow: auto;
    width: 100%;
}
.login-top-box{
    height: 50%;
    width: 100%;
    background: #3488fc;
}
.login-box{
    width: 350px;
    height: 216px;
    background: white;
    position: absolute;
    left: calc(50% - 175px);
    top: calc(50% - 108px);
    border-radius: 5px;
    box-shadow: 1px 1px 4px #b3b1b1;
    padding: 15px;
}
.layui-input-block{
    margin: 0;
}
.login-title{
    text-align: center;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
}
.login-btn{
    width: 100%;
    background: #3488fc;
}